The latest trend in tourism doesn't look like tourism at all. With the help of some adventurous tour guides, young urbanites are seeking out the world's most unusual, gross and often dangerous locales.

A group of Russian friends have stolen private information from 1.2 billion Internet users around the world, but the public doesn't know who was hit. We do know that it's hard to say your password is safe — and changing it probably won't help.

The Chinese government announced Monday that it plans to take more than five million vehicles off the road to improve air quality, including 330,000 cars in Beijing. This announcement comes only weeks after the World Health Organization announced that only 12 percent of cities reporting on air quality meet their standards for safe levels. With the help of our newsroom designers, we put together a list of places recently affected by deteriorating air quality and incidents of smog.

If Genghis Khan, founder of the Mongol empire and fearsome military leader, were alive today, what kind of tunes would he be listening to? A couple of Beijing-based Mongolian musicians say it would be their band playing Mongolian folk metal.

China has beautiful countryside that has long attracted foreigners. But the country's meteoric economic rise has given its own people more time for their own outdoor and leisurely pursuits. The problem, though, is that all of the additional tourists and hikers are putting a strain on the environment.

If Genghis Khan, founder of the Mongol empire and fearsome military leader, were alive today, what kind of tunes would he be listening to? A couple of Beijing-based Mongolian musicians say it would be their band playing Mongolian folk metal.

The Chinese government announced Monday that it plans to take more than five million vehicles off the road to improve air quality, including 330,000 cars in Beijing. This announcement comes only weeks after the World Health Organization announced that only 12 percent of cities reporting on air quality meet their standards for safe levels. With the help of our newsroom designers, we put together a list of places recently affected by deteriorating air quality and incidents of smog.

For today's combo Geo Quiz/Global Hit, we're heading for the capital of Mongolia. It's the home of Mongolia's growing alternative music scene. Lauren Knapp profiles the grunge band that pioneered new music after the fall of communism: Nisvanis.

A group of Russian friends have stolen private information from 1.2 billion Internet users around the world, but the public doesn't know who was hit. We do know that it's hard to say your password is safe — and changing it probably won't help.